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<div class="title">arm_class_marks_example_f32.c</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">* Copyright (C) 2010-2012 ARM Limited. All rights reserved.</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* $Date:         17. January 2013</span></div>
<div class="line"><span class="comment">* $Revision:     V1.4.0</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Project:       CMSIS DSP Library</span></div>
<div class="line"><span class="comment">* Title:         arm_class_marks_example_f32.c</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Description:   Example code to calculate Minimum, Maximum</span></div>
<div class="line"><span class="comment">*                Mean, std and variance of marks obtained in a class</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Target Processor: Cortex-M4/Cortex-M3</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><span class="comment">* modification, are permitted provided that the following conditions</span></div>
<div class="line"><span class="comment">* are met:</span></div>
<div class="line"><span class="comment">*   - Redistributions of source code must retain the above copyright</span></div>
<div class="line"><span class="comment">*     notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><span class="comment">*   - Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><span class="comment">*     notice, this list of conditions and the following disclaimer in</span></div>
<div class="line"><span class="comment">*     the documentation and/or other materials provided with the</span></div>
<div class="line"><span class="comment">*     distribution.</span></div>
<div class="line"><span class="comment">*   - Neither the name of ARM LIMITED nor the names of its contributors</span></div>
<div class="line"><span class="comment">*     may be used to endorse or promote products derived from this</span></div>
<div class="line"><span class="comment">*     software without specific prior written permission.</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><span class="comment">* &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><span class="comment">* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><span class="comment">* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE</span></div>
<div class="line"><span class="comment">* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span></div>
<div class="line"><span class="comment">* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</span></div>
<div class="line"><span class="comment">* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span></div>
<div class="line"><span class="comment">* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</span></div>
<div class="line"><span class="comment">* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span></div>
<div class="line"><span class="comment">* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN</span></div>
<div class="line"><span class="comment">* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><span class="comment">* POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><span class="comment">* -------------------------------------------------------------------- */</span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="arm__math_8h.html">arm_math.h</a>&quot;</span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#define USE_STATIC_INIT</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"> <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">** Global defines</span></div>
<div class="line"><span class="comment">** ------------------------------------------------------------------- */</span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#define TEST_LENGTH_SAMPLES   (20*4)</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">** List of Marks scored by 20 students for 4 subjects</span></div>
<div class="line"><span class="comment">** ------------------------------------------------------------------- */</span></div>
<div class="line"><span class="keyword">const</span> <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a name="a0"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a0153222efa82b7f1a0ea3835921bf921">testMarks_f32</a>[<a name="a1"></a><a class="code" href="arm__class__marks__example__f32_8c.html#abc004a7fade488e72310fd96c0a101dc">TEST_LENGTH_SAMPLES</a>] =</div>
<div class="line">{</div>
<div class="line">  42.000000,  37.000000,  81.000000,  28.000000,</div>
<div class="line">  83.000000,  72.000000,  36.000000,  38.000000,</div>
<div class="line">  32.000000,  51.000000,  63.000000,  64.000000,</div>
<div class="line">  97.000000,  82.000000,  95.000000,  90.000000,</div>
<div class="line">  66.000000,  51.000000,  54.000000,  42.000000,</div>
<div class="line">  67.000000,  56.000000,  45.000000,  57.000000,</div>
<div class="line">  67.000000,  69.000000,  35.000000,  52.000000,</div>
<div class="line">  29.000000,  81.000000,  58.000000,  47.000000,</div>
<div class="line">  38.000000,  76.000000, 100.000000,  29.000000,</div>
<div class="line">  33.000000,  47.000000,  29.000000,  50.000000,</div>
<div class="line">  34.000000,  41.000000,  61.000000,  46.000000,</div>
<div class="line">  52.000000,  50.000000,  48.000000,  36.000000,</div>
<div class="line">  47.000000,  55.000000,  44.000000,  40.000000,</div>
<div class="line"> 100.000000,  94.000000,  84.000000,  37.000000,</div>
<div class="line">  32.000000,  71.000000,  47.000000,  77.000000,</div>
<div class="line">  31.000000,  50.000000,  49.000000,  35.000000,</div>
<div class="line">  63.000000,  67.000000,  40.000000,  31.000000,</div>
<div class="line">  29.000000,  68.000000,  61.000000,  38.000000,</div>
<div class="line">  31.000000,  28.000000,  28.000000,  76.000000,</div>
<div class="line">  55.000000,  33.000000,  29.000000,  39.000000</div>
<div class="line">};</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">* Number of subjects X 1</span></div>
<div class="line"><span class="comment">* ------------------------------------------------------------------- */</span></div>
<div class="line"><span class="keyword">const</span> <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a name="a2"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a993b9b2a1faf43b319c1c6d58b26e7a1">testUnity_f32</a>[4] =</div>
<div class="line">{</div>
<div class="line">  1.000,  1.000,   1.000,  1.000</div>
<div class="line">};</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">** f32 Output buffer</span></div>
<div class="line"><span class="comment">** ------------------------------------------------------------------- */</span></div>
<div class="line"><span class="keyword">static</span> <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a name="a3"></a><a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>[<a class="code" href="arm__class__marks__example__f32_8c.html#abc004a7fade488e72310fd96c0a101dc">TEST_LENGTH_SAMPLES</a>];</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/* ------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">* Global defines</span></div>
<div class="line"><span class="comment">*------------------------------------------------------------------- */</span></div>
<div class="line"><span class="preprocessor">#define   NUMSTUDENTS  20</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor">#define     NUMSUBJECTS  4</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="comment">/* ------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">* Global variables</span></div>
<div class="line"><span class="comment">*------------------------------------------------------------------- */</span></div>
<div class="line"></div>
<div class="line"> uint32_t    <a name="a4"></a><a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a> = 20;</div>
<div class="line"> uint32_t    <a name="a5"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a3d01884f63bcb694226ca7c24980757a">numSubjects</a> = 4;</div>
<div class="line"><a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>    <a name="a6"></a><a class="code" href="arm__class__marks__example__f32_8c.html#aad32888fa966b3d9db9c31bcbba9d9ef">max_marks</a>, <a name="a7"></a><a class="code" href="arm__class__marks__example__f32_8c.html#abb7687fa07ec54d8e792cfcbfe2ca809">min_marks</a>, <a name="a8"></a><a class="code" href="arm__class__marks__example__f32_8c.html#acc9290716b3c97381ce52d14b4b01681">mean</a>, <a name="a9"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a150b0cf729b51893379f5b5548d4f989">std</a>, <a name="a10"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a3bd39c4335d84be071cc1eaa9b0a8642">var</a>;</div>
<div class="line"> uint32_t    <a name="a11"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a798cf43a3725d7df2fcaf3f328969f53">student_num</a>;</div>
<div class="line"></div>
<div class="line"><span class="comment">/* ----------------------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">* Main f32 test function.  It returns maximum marks secured and student number</span></div>
<div class="line"><span class="comment">* ------------------------------------------------------------------------------- */</span></div>
<div class="line"></div>
<div class="line">int32_t <a name="a12"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a196718f834091385d38586a0ce4009dc">main</a>()</div>
<div class="line">{</div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#ifndef  USE_STATIC_INIT</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line">  <a name="_a13"></a><a class="code" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> srcA;</div>
<div class="line">  <a class="code" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> srcB;</div>
<div class="line">  <a class="code" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> dstC;</div>
<div class="line"></div>
<div class="line">  <span class="comment">/* Input and output matrices initializations */</span></div>
<div class="line">  <a name="a14"></a><a class="code" href="group__MatrixInit.html#ga11e3dc41592a6401c13182fef9416a27">arm_mat_init_f32</a>(&amp;srcA, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, <a class="code" href="arm__class__marks__example__f32_8c.html#a3d01884f63bcb694226ca7c24980757a">numSubjects</a>, (<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *)<a class="code" href="arm__class__marks__example__f32_8c.html#a0153222efa82b7f1a0ea3835921bf921">testMarks_f32</a>);</div>
<div class="line">  <a class="code" href="group__MatrixInit.html#ga11e3dc41592a6401c13182fef9416a27">arm_mat_init_f32</a>(&amp;srcB, <a class="code" href="arm__class__marks__example__f32_8c.html#a3d01884f63bcb694226ca7c24980757a">numSubjects</a>, 1, (<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *)<a class="code" href="arm__class__marks__example__f32_8c.html#a993b9b2a1faf43b319c1c6d58b26e7a1">testUnity_f32</a>);</div>
<div class="line">  <a class="code" href="group__MatrixInit.html#ga11e3dc41592a6401c13182fef9416a27">arm_mat_init_f32</a>(&amp;dstC, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, 1, <a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>);</div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#else</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line">  <span class="comment">/* Static Initializations of Input and output matrix sizes and array */</span></div>
<div class="line">  <a class="code" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> srcA = {<a name="a15"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a9d89ac0707e7c9363544986d47a70bd3">NUMSTUDENTS</a>, <a name="a16"></a><a class="code" href="arm__class__marks__example__f32_8c.html#a7b02f9b34bf2cd4d12633f5bf30771ec">NUMSUBJECTS</a>, (<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *)<a class="code" href="arm__class__marks__example__f32_8c.html#a0153222efa82b7f1a0ea3835921bf921">testMarks_f32</a>};</div>
<div class="line">  <a class="code" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> srcB = {<a class="code" href="arm__class__marks__example__f32_8c.html#a7b02f9b34bf2cd4d12633f5bf30771ec">NUMSUBJECTS</a>, 1, (<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *)<a class="code" href="arm__class__marks__example__f32_8c.html#a993b9b2a1faf43b319c1c6d58b26e7a1">testUnity_f32</a>};</div>
<div class="line">  <a class="code" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> dstC = {<a class="code" href="arm__class__marks__example__f32_8c.html#a9d89ac0707e7c9363544986d47a70bd3">NUMSTUDENTS</a>, 1, <a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>};</div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"></div>
<div class="line">  <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">  *Call the Matrix multiplication process function</span></div>
<div class="line"><span class="comment">  * ------------------------------------------------------------------- */</span></div>
<div class="line">  <a name="a17"></a><a class="code" href="group__MatrixMult.html#ga917bf0270310c1d3f0eda1fc7c0026a0">arm_mat_mult_f32</a>(&amp;srcA, &amp;srcB, &amp;dstC);</div>
<div class="line"></div>
<div class="line">  <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">  ** Call the Max function to calculate max marks among numStudents</span></div>
<div class="line"><span class="comment">  ** ------------------------------------------------------------------- */</span></div>
<div class="line">  <a name="a18"></a><a class="code" href="group__Max.html#gad1eabd31544fe59c414d9ce5bd0cc151">arm_max_f32</a>(<a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#aad32888fa966b3d9db9c31bcbba9d9ef">max_marks</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#a798cf43a3725d7df2fcaf3f328969f53">student_num</a>);</div>
<div class="line"></div>
<div class="line">  <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">  ** Call the Min function to calculate min marks among numStudents</span></div>
<div class="line"><span class="comment">  ** ------------------------------------------------------------------- */</span></div>
<div class="line">  <a name="a19"></a><a class="code" href="group__Min.html#ga514e2c920c432e1a3df2cb03f01d2797">arm_min_f32</a>(<a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#abb7687fa07ec54d8e792cfcbfe2ca809">min_marks</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#a798cf43a3725d7df2fcaf3f328969f53">student_num</a>);</div>
<div class="line"></div>
<div class="line">  <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">  ** Call the Mean function to calculate mean</span></div>
<div class="line"><span class="comment">  ** ------------------------------------------------------------------- */</span></div>
<div class="line">  <a name="a20"></a><a class="code" href="group__mean.html#gae4fb7698771d7c24f536ed24347c1488">arm_mean_f32</a>(<a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#acc9290716b3c97381ce52d14b4b01681">mean</a>);</div>
<div class="line"></div>
<div class="line">  <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">  ** Call the std function to calculate standard deviation</span></div>
<div class="line"><span class="comment">  ** ------------------------------------------------------------------- */</span></div>
<div class="line">  <a name="a21"></a><a class="code" href="group__STD.html#ga287b6ce703636c7e8cb9833b290ae4ce">arm_std_f32</a>(<a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#a150b0cf729b51893379f5b5548d4f989">std</a>);</div>
<div class="line"></div>
<div class="line">  <span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">  ** Call the var function to calculate variance</span></div>
<div class="line"><span class="comment">  ** ------------------------------------------------------------------- */</span></div>
<div class="line">  <a name="a22"></a><a class="code" href="group__variance.html#gaae455544f0c8ac92469a1e25d3906515">arm_var_f32</a>(<a class="code" href="arm__class__marks__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a>, <a class="code" href="arm__class__marks__example__f32_8c.html#ab3b66d06b4af1af4ea2740d0ccf4e7bd">numStudents</a>, &amp;<a class="code" href="arm__class__marks__example__f32_8c.html#a3bd39c4335d84be071cc1eaa9b0a8642">var</a>);</div>
<div class="line"></div>
<div class="line">  <span class="keywordflow">while</span> (1);                             <span class="comment">/* main function does not return */</span></div>
<div class="line">}</div>
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